It says that was against Britain, as well as the policy of "open-ended Jewish immigration and land purchases with the stated goal of establishing a "Jewish National Home"
Basically against being invaded.
Reactionary violence. This seems to show that the imposed immigration was not a good mix for the area, Did anyone take the hint?
"The Black Hand (Arabic: الكف الاسود,
romanized:
al-Kaff al-Aswad) was an
anti-Zionist and anti-British
Jihadist militant organization" -wiki
The problem kept getting bigger and resentment against Britain therefore as well. Perhaps if the people of that land had a say in who could immigrate the problems would have reduced rather than grow exponentially
When 700,000 had to flee Israel, it became a problem that would not go away.